HCPL-261N#320 Equivalent & Substitute Parts

Part Overview

The HCPL-261N#320 is a Logic Output Optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. This component provides 5000Vrms isolation with open collector, Schottky clamped output configuration, supporting data rates up to 10MBd. The part is currently discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

HCPL-261N#320

Broadcom LimitedIn Stock: 955HCPL-261N#320 Datasheet

Current PartRFQ

HCPL-261N-320E

Broadcom LimitedIn Stock: 2259HCPL-261N-320E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HCPL-261N#320 is determined by strict equivalence across the following critical parameters:

• Isolation Voltage: 5000Vrms (mandatory match)
• Number of Channels: 1 channel (mandatory match)
• Output Configuration: Open Collector, Schottky Clamped (mandatory match)
• Data Rate: 10MBd (mandatory match)
• Common Mode Transient Immunity: 1kV/µs minimum (mandatory match)
• Package Type: 8-SMD, Gull Wing (mandatory match)
• Supply Voltage Range: 4.5V ~ 5.5V (mandatory match)
• Operating Temperature Range: -40°C ~ 85°C (mandatory match)

The HCPL-261N-320E qualifies as a direct substitute, maintaining identical electrical and mechanical specifications while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The HCPL-261N-320E is the direct substitute for HCPL-261N#320. Both components are manufactured by Broadcom Limited and maintain identical electrical and mechanical specifications across all critical parameters.

The HCPL-261N-320E offers the following advantages:

• Active Product Status: Currently in production and available through authorized distributors, ensuring long-term supply chain reliability
• ROHS3 Compliance: Meets current environmental and regulatory requirements, whereas the original part is RoHS non-compliant
• Improved Availability: 2220 units in stock compared to the discontinued status of the original part

For applications requiring the HCPL-261N#320, the HCPL-261N-320E provides functional and mechanical equivalence with enhanced compliance and availability.

Frequently Asked Questions (FAQ)

Q: Can HCPL-261N-320E be used as a direct replacement for HCPL-261N#320?

A: Yes. Both parts are manufactured by Broadcom Limited and maintain identical electrical specifications, including 5000Vrms isolation, 10MBd data rate, 1kV/µs CMTI, and open collector Schottky clamped output. The package type (8-SMD, Gull Wing) and mounting configuration are identical, enabling direct substitution without circuit modification.

Q: What is the difference between HCPL-261N#320 and HCPL-261N-320E?

A: The primary differences are product status and compliance. HCPL-261N#320 is discontinued and RoHS non-compliant, while HCPL-261N-320E is an active product with ROHS3 compliance. Electrical and mechanical specifications are identical.

Q: Are there any packaging differences between these parts?

A: The HCPL-261N-320E is supplied in Tube packaging, whereas the original part's packaging specification is not provided. Both use the same 8-SMD, Gull Wing package type for surface mount assembly.

Q: What parameters must match for a valid substitute?

A: Valid substitutes must maintain equivalence in isolation voltage (5000Vrms), channel count (1), output type (Open Collector, Schottky Clamped), data rate (10MBd), CMTI (1kV/µs), supply voltage range (4.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and package configuration (8-SMD, Gull Wing).

Q: Is the HCPL-261N-320E suitable for new designs?

A: Yes. The HCPL-261N-320E is an active product with ROHS3 compliance, making it appropriate for new design implementations and long-term production support.